Ceramic heater



FIG. 1 is a perspective view of the overall shape of a ceramic heater showing my new design,

FIG. 2 is a front view thereof,

FIG. 3 is a rear view thereof,

FIG. 4 is a left side view thereof,

FIG. 5 is a right side view thereof,

FIG. 6 is a top plan view thereof,

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a reference view thereof, showing the state of use. 

CLAIM The ornamental design for a ceramic heater, as shown and described. 